1. Health and Wellness: This category includes a wide range of subtopics, such as fitness, nutrition, mental health, and chronic illnesses. People are always searching for tips on how to stay healthy and prevent diseases, as well as information on how to manage health conditions they may have.

2. Technology: Technology is a rapidly evolving field, and people are always searching for information on the latest gadgets, software, and apps. They may also search for information on troubleshooting technology problems or how to use a particular product.

3. Personal Finance: This category includes topics such as budgeting, saving, investing, retirement planning, and managing debt. People search for information on how to make the most of their money, as well as how to navigate financial challenges.

4. Travel: People love to travel and are always searching for information on the best destinations, things to do, and travel tips. This category can include subtopics such as budget travel, luxury travel, adventure travel, and solo travel.

5. Food and Recipes: Cooking and baking are popular topics, and people are always searching for new recipes, meal ideas, and cooking techniques. This category can include subtopics such as healthy eating, meal prep, international cuisine, and cooking for special dietary needs.

6. Fashion and Beauty: People are always searching for the latest fashion trends, beauty tips, and skincare routines. This category can include subtopics such as makeup tutorials, hairstyle ideas, fashion trends, and skincare product reviews.

7. How-to Guides: Many people search for how-to guides on a wide range of topics, from home improvement projects to fixing their car. This category can include subtopics such as DIY projects, cooking and baking techniques, gardening tips, and car repair tutorials.

These are just a few examples of popular blog post topics that people search for on Google. Keep in mind that the most searched topics can vary depending on current events, trends, and interests, and may also differ depending on the language and geographic location of the user.